The Lady of the Rhine - S1.E8

A young ambitious journalist of horticulture fails to make a deadline for his article about tulips on the Rhine. Addington, who is a tulip connoisseur, calls his editor to complain about the missing article. After receiving the call and reviewing the pictorial slides, she flies out to Rotterdam pompting Addington to send the team to investigate and his daughter, Suzanne, to do some more digging. Apparently, that journalist has now went missing without a trace. When questioned, Addington replies that no editor flies 8000 miles just to collect one article.